Extract dependency chains from pkg to deps.
pkg_deps_explain(pkg, deps, upgrade = TRUE, dependencies = NA)Package names or package references. E.g.
ggplot2: package from CRAN, Bioconductor or a CRAN-like repository
in general,
tidyverse/ggplot2: package from GitHub,
tidyverse/ggplot2@v3.4.0: package from GitHub tag or branch,
https://examples.com/.../ggplot2_3.3.6.tar.gz: package from URL,
.: package in the current working directory.
See "Package sources" for more details.
Package names of the dependencies to explain.
Whether to use the most recent available package versions.
What kinds of dependencies to install. Most commonly one of the following values:
NA: only required (hard) dependencies,
TRUE: required dependencies plus optional and development
dependencies,
FALSE: do not install any dependencies. (You might end up with a
non-working package, and/or the installation might fail.)
See Package dependency types for other possible values and more
information about package dependencies.
A named list with a print method. First entries are the
function arguments: pkg, deps, dependencies, the last one is
paths and it contains the results in a named list, the names are
the package names in deps.
This function is similar to pkg_deps_tree(), but its output is easier
to read if you are only interested is certain packages (deps).
How does dplyr depend on rlang?
pkg_deps_explain("dplyr", "rlang")#> v Updated metadata database: 5.09 MB in 12 files. #> v Updating metadata database ... done #> dplyr -> lifecycle -> rlang #> dplyr -> rlang #> dplyr -> tibble -> lifecycle -> rlang #> dplyr -> tibble -> pillar -> lifecycle -> rlang #> dplyr -> tibble -> pillar -> rlang #> dplyr -> tibble -> pillar -> vctrs -> lifecycle -> rlang #> dplyr -> tibble -> pillar -> vctrs -> rlang #> dplyr -> tibble -> rlang #> dplyr -> tibble -> vctrs -> lifecycle -> rlang #> dplyr -> tibble -> vctrs -> rlang #> dplyr -> tidyselect -> lifecycle -> rlang #> dplyr -> tidyselect -> rlang #> dplyr -> tidyselect -> vctrs -> lifecycle -> rlang #> dplyr -> tidyselect -> vctrs -> rlang #> dplyr -> vctrs -> lifecycle -> rlang #> dplyr -> vctrs -> rlang #> dplyr -> pillar -> lifecycle -> rlang #> dplyr -> pillar -> rlang #> dplyr -> pillar -> vctrs -> lifecycle -> rlang #> dplyr -> pillar -> vctrs -> rlang
How does the GH version of usethis depend on cli and ps?
pkg_deps_explain("r-lib/usethis", c("cli", "ps"))#> usethis -> cli #> usethis -> desc -> cli #> usethis -> gh -> cli #> usethis -> lifecycle -> cli #> #> x ps